Martin, Thank you for your comments.
Joe Martin Maechler wrote: >>>>>> "Joe" == Joe Byers <[EMAIL PROTECTED]> >>>>>> on Sun, 05 Nov 2006 08:23:46 -0600 writes: >>>>>> > > Joe> Gabor, Thank you very much. That is a wonderful > Joe> article and will help very much. Might I ask which > Joe> date schema do you prefer? > > The only scheme that is part of "standard R" is the "POSIX" > based one which (conceptually) *includes* the "Date" class. > Use the "Date" class [i.e. first use as.Date() ] unless you > need times in addition to dates, where I'd recommend you > consider 'POSIX' ... > > BTW: there is no 'Date' package [at least not in an official > place] as you claim below. > This is correct, my miss-statement and oversight. > Martin > > Joe> Thank you Joe > > > Joe> Gabor Grothendieck wrote: > >> See the help desk article in R News 4/1 for a discussion > >> on how to choose. > >> > >> On 11/5/06, Joe W. Byers <[EMAIL PROTECTED]> wrote: > >>> I have been working with R extensively for several > >>> months. I switched from SAS and Matlab to R. My > >>> question is > >>> > >>> Can anyone explain the benefits and detractions of the > >>> 'Date' package verses the 'date' package and verses > >>> 'POSIX' dates. > >>> > >>> I have noticed several other packages use one or the > >>> other. Rmetrics seems to standardize on POSIX. I can > >>> only see differences in default formats, and the > >>> starting counting number be it 1 1 1900 or something > >>> else. > >>> > >>> I am trying to standardize code that I write for > >>> research and to provide to my students on one date > >>> schema. The documentation is very good on using a > >>> specific package, but I can not tell the which one > >>> provides the broadest coverage across R packages or is > >>> just the better one to use. > >>> > >>> I know all of you have more experience with some of > >>> these and I am just soliciting your opinions and > >>> comments. > >>> > >>> Thank you Joe > >>> > >>> ______________________________________________ > >>> R-help@stat.math.ethz.ch mailing list > >>> https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do > >>> read the posting guide > >>> http://www.R-project.org/posting-guide.html and provide > >>> commented, minimal, self-contained, reproducible code. > >>> > Joe> ______________________________________________ > Joe> R-help@stat.math.ethz.ch mailing list > Joe> https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do > Joe> read the posting guide > Joe> http://www.R-project.org/posting-guide.html and provide > Joe> commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
